If paranormal becomes part of the new normal, it might be nice to have a PKE meter that can detect spirits and help get a head start ... into the night, guided by the night vision camera on ...

A new way to make large ultrathin infrared sensors that don’t need cryogenic cooling could radically change night vision for ...

Solid state electronics have provided lighter weight night vision units that work better than the old-fashioned gear that used photomultiplier ... and normal cameras usually have filters to ...